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May I know what is the email address registered on the account?
 
May I know what is the mobile number registered on the account?

Perfect! May I know what was your last bill value including pence?

Thanks! Please base your answers on the email I've sent you, which contains your billing information. May I know when is your next bill due?

Thanks! Can you confirm the last 4 digits of your bank account number?
 
Alright. Which date does your Direct Debit usually come out of your account?
 
Thanks! May I know when is your next bill/payment due?

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